# 本文件用于测试 Python 的不同类型及特性
'''
测试注释
'''
a=10
print(type(a))
print(type(type(a)))

b=3.14
print(type(b))

c='aaa111'
print(type(c))

d='''my name is "wxk" 'how' are you?'''
print(d)
print(type(d))
print(len(d))

e=True
print(type(e))
print(e)
e+=2
print(e)
print(type(e))
e="hello"
print(type(e)) #动态类型
e:int=98.9 #声明无效 还是float
print(type(e))

f=2.2
print(f"f={f}") #f-string
print(f"f+10={f+10}") #f-string

g=input("please input a num:")
print(f"your num is 'g={g}' ")
print(type(g))
g=int(g)
print(type(g))